1 5/8" bore diameter at the muzzle, with 6.5" brass octagonal-to-round barrel. The top of the barrel is engraved I Yates with a floral pattern at the breech. The barrel also has several British proof marks at the breech, including a crown over IY mark. The lock is marked Clemson. The walnut stock has an iron buttcap, a brass triggegruard and a brass sideplate with a serpentine form.
The brass is in good condition throughout. The left side of the muzzle has a very small crack to it. The bore and action are very good.